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NexPDF Toolkit

Brand or protect your PDFs with watermarks.

Add "CONFIDENTIAL", "DRAFT", or your own custom text to any or all pages of your document natively in your browser.

Select a PDF to watermark

Or drop it here to start immediately

Key Benefits

  • Custom text, font size, and opacity
  • Multiple positioning options (Center, Diagonal, etc.)
  • Apply to specific pages or the entire document
  • Instant preview and local generation

Local & Private

Unlike other tools, NexPDF doesn't upload your files to any server. All processing for brand or protect your pdfs with watermarks. is done directly in your browser using your machine's hardware. This means your data remains strictly on your device.

Private
Secure

How to brand or protect your pdfs with watermarks

1

Select the PDF file you wish to stamp with a watermark.

2

Type your watermark text (e.g., "CONFIDENTIAL") and adjust the font size, opacity, and position.

3

Click "Apply Watermark" to stamp your document and download the finalized PDF.

Ready to watermark your PDF?

No sign-up, no cost, no compromise on privacy. Everything runs in your browser.

Launch Watermark Toolkit